
package com.company;
import java.util.Scanner;
        public class Main {
            public static void main(String[] args) {
                Scanner sc = new Scanner(System.in);
                String again;
                //1.生成答案数字
                do {
                    int answer = (int) (Math.random() * 100 + 1);
                    int chances = 7;
                    //2.接受玩家猜测的数字
                    while (chances > 0) {
                        System.out.println("请猜一个1-100之间的整数（含1和100）," +
                                "你还有" + chances + "次机会,输入-1可结束本轮游戏:");
                        int guess;
                        try {
                            guess= sc.nextInt();
                        }catch (Exception e){
                            System.out.println("请输入合法数字！");
                            sc.next();
                            continue;
                        }


                        //3.比较答案数字与猜测数字的关系
                        if (guess==-1) {
                            break;
                        }else if ((guess > answer)){
                            System.out.println("大了");
                        } else if (guess < answer) {
                            System.out.println("小了");
                        } else {
                            System.out.println("对了");
                            break;
                        }
                        chances = chances - 1;
                    }

                    if (chances <= 0) {
                        System.out.println("你没有机会啦！");
                    }

                    //4.每猜一次就比较一次
                    System.out.println("再玩一次吗？（y/n)");
                    again = sc.next();
                }while(again.equalsIgnoreCase("y"));
            }
        }
